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- 2001 9-5 air distribution stepper motor
May 2, 2008, 11:20 pm
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My 2001 9-5 Aero refused to push air out of the upper vents (the ones
you would use for A/C) the other day. I fooled with the buttons for a
while and it started to come out and was OK.
Today, nothing would work and even setting on the lowest temp (LO), the
air wasn't really all that cold (and it was 41 F outside).
So I did a reset by pushing Auto and Off simultaneously and it comes up
with one error, error 12, which is open or shorted air distribution
stepper motor. No big surprises so far.
Apparently you access this stepper motor by removing the glove box. Also
it seems the error could occur from the air distribution flap being
How easy is it to move the flap as they suggest to see if that is the
problem? How easy to get at the stepper motor? What are the chances it
is the wiring, not the stepper motor itself?
I do have another 9-5 and I could swap boxes too see if that was the
problem. How easy to remove the ACC box? As easy as on the 92 9000?
Thanks for any help,
Re: 2001 9-5 air distribution stepper motor
Well, I was able to fix the problem. The Mitchell on-demand shop manual
CD says that 50% of ACC fault codes were caused by user programming. Not
having done any programming (or not to my knowlege anyway), I was not
sure if this would fix it. So I reset the programming by holding the
Auto and Blower motor speed down buttons simultaneously.
That fixed it.
I think most of the ACC units in the 9-3 and 9-5 models behave
similarly, so this may help someone else.